Hollow wall storage hook



FIG. 1 is a perspective view of a hollow wall storage hook;

FIG. 2 is a top view;

FIG. 3 is a right side view, the left side view being a mirror image thereof;

FIG. 4 is a front view;

FIG. 5 is a bottom view; and,

FIG. 6 is a back view. 

The ornamental design for a hollow wall storage hook, as shown and described. 